lifesaver
UK /ˈlaɪfˌseɪvə/ · US /ˈlaɪfˌseɪvəɹ/ noun
Forms lifesavers life-saver life saver
- noun A lifeguard or other rescuer. “My dad loves his job as a surf lifesaver.”
- noun A life buoy. “They threw him a lifesaver and then hauled him up onto the boat.”
- noun Any lifesaving tool or item of supplies. “When I got lost in the woods, my Swiss Army knife was a lifesaver.”
- noun (figurative) Someone or something that is very useful or helpful. “Thank you so much for fixing my car; you're a real lifesaver!”
Synonyms
life preserver life ring boon godsend lifeguard life buoy life belt
Etymology
From life + saver.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “lifesaver”, CC BY-SA 4.0. Details